CN104495593B - Safety protection apparatus for elevator - Google Patents
Safety protection apparatus for elevator Download PDFInfo
- Publication number
- CN104495593B CN104495593B CN201410729515.5A CN201410729515A CN104495593B CN 104495593 B CN104495593 B CN 104495593B CN 201410729515 A CN201410729515 A CN 201410729515A CN 104495593 B CN104495593 B CN 104495593B
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- China
- Prior art keywords
- pedal
- elevator
- external door
- locking bolt
- cage
- Prior art date
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- 230000001939 inductive effect Effects 0.000 claims abstract description 26
- 230000008054 signal transmission Effects 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 9
- 230000007423 decrease Effects 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
- B66B13/165—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
- B66B13/18—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors
- B66B13/185—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors electrical
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Elevator Control (AREA)
Abstract
Safety protection apparatus for elevator includes device with pedal and controller, and device with pedal includes pedal, proximity switch, sensor, inductive head, Compress Spring and electromagnetic bolt; Pedal is installed on the floor before elevator doorway, and floor is provided with groove, and pedal is located in groove, Compress Spring is located between pedal and the bottom of groove, bottom portion of groove is provided with spacing rubber block, and proximity switch is located in groove, is provided with locking bolt hole in the lower surface of elevator external door; Sensor is installed on the passage of terraced railway carriage or compartment, and inductive head is located in cage, and controller is connected by the control system of control line with proximity switch, sensor, electromagnetic bolt and elevator; During use, when cage does not drive to this floor, when people stands in pedal, controller controls electromagnetic bolt and pins elevator external door, elevator external door can not be opened, prevent people from falling in cage; When cage drives to the elevator external door position of this floor, the locking bolt that controller controls electromagnetic bolt unlocks, and elevator external door can be opened.
Description
Technical field
The present invention relates to a kind of safety device, particularly a kind of safety protection apparatus for elevator.
Background technology
At present; elevator in use; due to the reason of design and maintenance etc.; when cage does not drive to this elevator external door; elevator external door is just unexpected to be opened; make the people of this elevator external door fall in access to elevators, cause casualty accident, a kind of safety protection apparatus for elevator preventing elevator external door from surprisingly opening has become for people uses the security needs of elevator.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of safety protection apparatus for elevator is provided, prevent elevator external door from surprisingly opening, safeguard the safety of people.
The technical solution adopted in the present invention is: safety protection apparatus for elevator includes device with pedal and controller, and device with pedal includes pedal, proximity switch, sensor, inductive head, Compress Spring and electromagnetic bolt; Pedal is installed on the floor before elevator doorway, and floor is provided with groove, and pedal is located in groove, and Compress Spring is located between pedal and the bottom of groove; Bottom portion of groove is provided with spacing rubber block, for limiting the stroke that pedal declines; Proximity switch is located in groove, and the sensitive surface of proximity switch is facing to pedal; Be provided with locking bolt hole in the lower surface of elevator external door, electromagnetic bolt is fixed in groove, and electromagnetic bolt is positioned at the below in the locking bolt hole of elevator external door; Sensor is installed on the terraced railway carriage or compartment passage below elevator external door, inductive head is located in cage, and inductive head is positioned at below cage inside door, and inductive head is corresponding with sensor station, when cage drives to cage inside door aligning elevator external door, inductive head drives to the position being positioned at alignment sensor; Controller is connected by the control system of control line with proximity switch, sensor, electromagnetic bolt and elevator.
The principle of work of safety protection apparatus for elevator is: during use, when cage does not drive to the position of elevator external door of this floor, after people stands in pedal, the elastic force that pedal overcomes Compress Spring under the Action of Gravity Field of human body reduces, when pedal is close to proximity switch, proximity switch by its Signal transmissions to controller, the locking bolt that controller controls electromagnetic bolt stretches out, and locking bolt is inserted in the locking bolt hole of elevator external door, is pinned by elevator external door, elevator external door can not be opened, prevent people from falling in the passage of terraced railway carriage or compartment; When cage drives to this floor, when the inductive head below cage drives to the position of sensor, sensor is by its Signal transmissions to controller, and the locking bolt that controller controls electromagnetic bolt exits locking bolt hole; Simultaneously, locking bolt is exited the control system of Signal transmissions to elevator in locking bolt hole by controller, the control system of elevator controls elevator external door and cage inside door is opened, and people leaves after pedal enters cage, and the control system of elevator controls cage and rises or decline; Meanwhile, after pedal nobody, pedal rises reset under the elastic force effect of Compress Spring; The pedal if someone enters into, pedal declines again, repeats said process, so constantly circulation.
The invention has the beneficial effects as follows: safety protection apparatus for elevator does not have device with pedal and controller, when cage does not drive to this floor, when people stands in pedal, controller controls electromagnetic bolt and pins elevator external door, elevator external door can not be opened, prevent people from falling in cage; When cage drives to the elevator external door position of this floor, the locking bolt that controller controls electromagnetic bolt unlocks, and elevator external door can be opened.
Accompanying drawing explanation
Fig. 1 is the structural representation of safety protection apparatus for elevator.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further detailed:
The structural representation of the safety protection apparatus for elevator shown in Fig. 1, safety protection apparatus for elevator includes device with pedal 1 and controller 8, and device with pedal 1 includes pedal 2, proximity switch 3, sensor 4, inductive head 5, Compress Spring 6 and electromagnetic bolt 7; Pedal 2 is installed on the floor 10 before elevator doorway 9, and floor 10 is provided with groove 11, and pedal 2 is located in groove 11, and Compress Spring 6 is located between the bottom of pedal 2 and groove 11; Groove 11 is provided with spacing rubber block 12, for limiting the stroke that pedal 2 declines; Proximity switch 3 is located in groove 11, and the sensitive surface of proximity switch 3 is facing to pedal 2; Be provided with locking bolt hole 14 in the lower surface of elevator external door 13, electromagnetic bolt 7 is fixed in groove 11, and electromagnetic bolt 7 is positioned at the below in the locking bolt hole 14 of elevator external door 13; Sensor 4 is installed on the terraced railway carriage or compartment passage 15 below elevator external door 13, inductive head 5 is located in cage 16, inductive head 5 is positioned at below cage inside door 17, inductive head 5 is corresponding with sensor 4 position, cage 16 drives to cage inside door 17 when aiming at elevator external door 13, and inductive head 5 drives to the position being positioned at alignment sensor 4; Controller 8 is connected by the control system 18 of control line with proximity switch 3, sensor 4, electromagnetic bolt 7 and elevator.Compress Spring 6 is provided with multiple, is distributed in below pedal 2, is installed in groove 11, and the upper end of Compress Spring 6 and the rear-face contact of pedal 2, the lower end of Compress Spring 6 contacts with the bottom land of groove 11.
The principle of work of safety protection apparatus for elevator is: during use, when cage 16 does not drive to the position of elevator external door 13 of this floor, after people stands in pedal 2, the elastic force that pedal 2 overcomes Compress Spring 6 under the Action of Gravity Field of human body reduces, when pedal 2 is close to proximity switch 3 below it, proximity switch 3 by its Signal transmissions to controller 8, the locking bolt 19 that controller 8 controls electromagnetic bolt 7 stretches out, locking bolt 19 is made to insert in the locking bolt hole 14 of elevator external door 13, elevator external door 13 is pinned, elevator external door 13 can not be opened, prevent people from falling in terraced railway carriage or compartment passage 15; When cage 16 drives to this floor, when the inductive head 5 below cage 16 drives to the position of sensor 4, sensor 4 is by its Signal transmissions to controller 8, and the locking bolt 19 that controller 8 controls electromagnetic bolt 7 exits locking bolt hole 14; Simultaneously, locking bolt 19 is exited the control system 18 of Signal transmissions to elevator in locking bolt hole 14 by controller 8, the control system 18 of elevator controls elevator external door 13 and cage inside door 17 is opened, people leaves after pedal 2 enters cage 16, and the control system 18 of elevator controls cage 16 and rises or decline; Meanwhile, after pedal 2 nobody, pedal 2 rises reset under the elastic force effect of Compress Spring 6; The pedal 2 if someone enters into, pedal 2 declines again, repeats said process, so constantly circulation.
This floor is not driven to, the object that elevator external door 13 can not be opened in order to implement to reach cage 16; The initial condition of electromagnetic bolt 6 is: elevator external door 13 is positioned at the position of closedown, when the inductive head 5 that pedal 2 does not have people and a cage 16 is not close to sensor 4 position below elevator external door 13, electromagnetic bolt 7 is in non-"on" position, the locking bolt 19 of electromagnetic bolt 7 is retracted under the elastic force effect of its spring, and locking bolt 19 is in the position leaving locking bolt hole 14; Pedal 2 have people to enter into and the inductive head 5 of cage 16 drives to sensor 4 position below close to elevator external door 13 time, electromagnetic bolt 7 is in "on" position, the elastic force that the locking bolt 19 of electromagnetic bolt 7 overcomes its spring under the effect of electromagnetic force stretches out, and locking bolt 19 inserts the locking bolt hole 14 of elevator external door 13.
In order to ensure the normal use of elevator external door 13, when the locking bolt 19 of electromagnetic bolt 7 is retracted, the upper surface of locking bolt 19 is lower than the lower surface of elevator external door 13, and during to ensure that locking bolt 19 is retracted, elevator external door 13 can be opened.
Described pedal 2 leave weight and nobody stands in pedal 2 time, when pedal 2 is reduced to and makes proximity switch 3 close to pedal 2 under weight effect, proximity switch 3 by its Signal transmissions to controller 8; The locking bolt 19 that controller 8 controls electromagnetic bolt 7 stretches out, and makes locking bolt 19 insert in the locking bolt hole 14 of elevator external door 13, is pinned by elevator external door 13, elevator external door 13 can not be opened.
Described pedal 2 is under the condition leaving weight, proximity switch 3 is close to pedal 2, during pedal 2 nobody, when cage 16 drives to this floor, when inductive head 5 below cage 16 drives to the position of sensor 4, sensor 4 is by its Signal transmissions to controller 8, and the locking bolt 19 that controller 8 controls electromagnetic bolt 7 exits locking bolt hole 14; Elevator external door 13 can be opened.
Described elevator external door 13 is two fans, and the lower end of often fanning elevator external door 13 is equipped with locking bolt hole 14, and each locking bolt hole 14 is provided with an electromagnetic bolt 7 below, and the shell of each electromagnetic bolt 7 is fixedly connected with groove 11.
In order to ensure the normal use of electromagnetic bolt 7, the aperture in the locking bolt hole 14 of elevator external door 13 is greater than the external diameter of the locking bolt 19 of electromagnetic bolt 7, to ensure that locking bolt 19 can be inserted in locking bolt hole 14.
In order to the stroke of control pedal 2, spacing rubber block 12 is located at the bottom of groove 17, and spacing rubber block 12 is positioned at the below of pedal 2, after pedal 2 decline is contacted with limiting stopper 22, can not decline again.
In order to avoid pedal 2 and the gap of groove 17 crush pin, pedal 2 does not have carpet 20 above, and the area of carpet 20 is greater than the area of pedal 2.The initial condition of pedal 2 is: pedal 2 is concordant with the ground on floor 10, and the thickness that the height of Compress Spring 6 adds upper footboard 2 equals the degree of depth of groove 11.
In order to child protection and the weight reducing pedal 2, pedal 2 is made up of aluminum alloy or glass-felt plastic, and pedal 2 is provided with reinforced rib; The gravity of pedal 2 is less than multiple elastic force being distributed in the Compress Spring 6 below pedal 2 and synthesizing; Described multiple to be distributed in the elastic force that the Compress Spring 6 below pedal 2 synthesizes equal with the gravity that the weight of pedal 2 and the weight of human body are synthesized, and the weight of human body is set to 5OOO gram; When pedal 2 has the child that is greater than 5000 grammes per square metres or adult to enter, pedal 2 declines, and pedal 2 is close to the proximity switch 3 below it; The sensitive surface of proximity switch 3 is equal to the distance of pedal 2 with spacing rubber block 12 to the distance of pedal 2.
Described device with pedal 1 is provided with multiple, and each device with pedal 1 is installed on the upper of the front floor, elevator doorway 9 10 in every floor room.
Claims (9)
1. safety protection apparatus for elevator, safety protection apparatus for elevator includes device with pedal (1) and controller (8), and device with pedal (1) includes pedal (2), proximity switch (3), sensor (4), inductive head (5), Compress Spring (6) and electromagnetic bolt (7); Pedal (2) is installed on front floor (10), elevator doorway (9), and floor (10) are provided with groove (11), and pedal (2) is located in groove (11), and Compress Spring (6) is located between the bottom of pedal (2) and groove (11); Groove (11) is provided with spacing rubber block (12), for limiting the stroke that pedal (2) declines; Proximity switch (3) is located in groove (11), and the sensitive surface of proximity switch (3) is facing to pedal (2); Be provided with locking bolt hole (14) in the lower surface of elevator external door (13), electromagnetic bolt (7) is fixed in groove (11), and electromagnetic bolt (7) is positioned at the below in the locking bolt hole (14) of elevator external door (13); Sensor (4) is installed on terraced railway carriage or compartment passage (15) below elevator external door (13), inductive head (5) is located in cage (16), inductive head (5) is positioned at below cage inside door (17), inductive head (5) is corresponding with sensor (4) position, when cage (16) drives to cage inside door (17) aligning elevator external door (13), inductive head (5) drives to the position being positioned at alignment sensor (4); Controller (8) is connected by the control system (18) of control line with proximity switch (3), sensor (4), electromagnetic bolt (7) and elevator;
The principle of work of safety protection apparatus for elevator is: when cage (16) does not drive to the position of elevator external door (13) of this floor, after people stands in pedal (2), the elastic force that pedal (2) overcomes Compress Spring (6) under the Action of Gravity Field of human body reduces, when pedal (2) is close to proximity switch (3) below it, proximity switch (3) by its Signal transmissions to controller (8), the locking bolt (19) that controller (8) controls electromagnetic bolt (7) stretches out, locking bolt (19) is made to insert in the locking bolt hole (14) of elevator external door (13), elevator external door (13) is pinned, elevator external door (13) can not be opened, prevent people from falling in terraced railway carriage or compartment passage (15), when cage (16) drives to this floor, when inductive head (5) below cage (16) drives to the position of sensor (4), sensor (4) is by its Signal transmissions to controller (8), and the locking bolt (19) that controller (8) controls electromagnetic bolt (7) exits locking bolt hole (14), simultaneously, locking bolt (19) is exited the Signal transmissions in locking bolt hole (14) to the control system of elevator (18) by controller (8), the control system (18) of elevator controls elevator external door (13) and cage inside door (17) is opened, people leaves after pedal (2) enters cage (16), and the control system (18) of elevator controls cage (16) and rises or decline, meanwhile, after pedal (2) nobody, pedal (2) rises reset under the elastic force effect of Compress Spring (6), the pedal (2) if someone enters into, pedal (2) declines again, repeats said process, so constantly circulation.
2. safety protection apparatus for elevator according to claim 1; it is characterized in that: the initial condition of described electromagnetic bolt (6) is: elevator external door (13) is positioned at the position of closedown; when the inductive head (5) that pedal (2) does not have people and a cage (16) is not close to sensor (4) position below elevator external door (13); electromagnetic bolt (7) is in non-"on" position; the locking bolt (19) of electromagnetic bolt (7) is retracted under the elastic force effect of its spring, and locking bolt (19) is in the position leaving locking bolt hole (14).
3. safety protection apparatus for elevator according to claim 1; it is characterized in that: described pedal (2) someone enter into and the inductive head (5) of cage (16) drives to sensor (4) position below close to elevator external door (13) time; electromagnetic bolt (7) is in "on" position; the elastic force that the locking bolt (19) of electromagnetic bolt (7) overcomes its spring under the effect of electromagnetic force stretches out, and locking bolt (19) inserts the locking bolt hole (14) of elevator external door (13).
4. safety protection apparatus for elevator according to claim 1, is characterized in that: when the locking bolt (19) of described electromagnetic bolt (7) is retracted, the upper surface of locking bolt (19) is lower than the lower surface of elevator external door (13), to ensure that elevator external door (13) can be opened.
5. safety protection apparatus for elevator according to claim 1, it is characterized in that: described pedal (2) leave weight and nobody stands in pedal (2) time, when pedal (2) is reduced to and makes proximity switch (3) close to pedal (2) under weight effect, proximity switch (3) by its Signal transmissions to controller (8); The locking bolt (19) that controller (8) controls electromagnetic bolt (7) stretches out, and makes locking bolt (19) insert in the locking bolt hole (14) of elevator external door (13), is pinned by elevator external door (13), elevator external door (13) can not be opened.
6. safety protection apparatus for elevator according to claim 5, pedal (2) is under the condition leaving weight, when proximity switch (3) is close to pedal (2), it is characterized in that: described pedal (2) nobody, when cage (16) drives to this floor, when inductive head (5) below cage (16) drives to the position of sensor (4), sensor (4) is by its Signal transmissions to controller (8), and the locking bolt (19) that controller (8) controls electromagnetic bolt (7) exits locking bolt hole (14); Elevator external door (13) can be opened.
7. safety protection apparatus for elevator according to claim 1; it is characterized in that: the initial condition of described pedal (2) is: pedal (2) is concordant with the ground of floor (10), the thickness that the height of Compress Spring (6) adds upper footboard (2) equals the degree of depth of groove (11).
8. safety protection apparatus for elevator according to claim 1, is characterized in that: when described pedal (2) has the child that is greater than 5000 grammes per square metres or adult to enter, pedal (2) declines, and pedal (2) is close to the proximity switch (3) below it.
9. safety protection apparatus for elevator according to claim 1, is characterized in that: the sensitive surface of described proximity switch (3) is equal to the distance of pedal (2) with spacing rubber block (12) to the distance of pedal (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410729515.5A CN104495593B (en) | 2014-12-03 | 2014-12-03 | Safety protection apparatus for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410729515.5A CN104495593B (en) | 2014-12-03 | 2014-12-03 | Safety protection apparatus for elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104495593A CN104495593A (en) | 2015-04-08 |
| CN104495593B true CN104495593B (en) | 2016-04-13 |
Family
ID=52937075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410729515.5A Active CN104495593B (en) | 2014-12-03 | 2014-12-03 | Safety protection apparatus for elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104495593B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429669A (en) * | 2016-12-08 | 2017-02-22 | 宁波永良电梯技术发展有限公司 | Intelligent induction elevator |
| CN108975218A (en) * | 2018-07-20 | 2018-12-11 | 长久（滁州）专用汽车有限公司 | A kind of car transporter automatic locking lifting pedal |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH078710B2 (en) * | 1992-11-17 | 1995-02-01 | 善廣 西山 | Unpowered emergency elevator |
| KR20020093527A (en) * | 2001-06-09 | 2002-12-16 | 오티스엘리베이터캄파니 | Car door locking device for elevator |
| CN101549826B (en) * | 2009-05-14 | 2011-08-10 | 日立电梯（中国）有限公司 | Elevator door opening protecting apparatus |
| CN202594589U (en) * | 2012-03-23 | 2012-12-12 | 阮小鹏 | Mechanical interlocking device |
| CN202518919U (en) * | 2012-03-28 | 2012-11-07 | 中国建筑第八工程局有限公司 | Derrick opening safety door system |
| CN103241624B (en) * | 2013-01-17 | 2014-12-10 | 杭州顺达伯耐特电梯有限公司 | Elevator door lock |
-
2014
- 2014-12-03 CN CN201410729515.5A patent/CN104495593B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104495593A (en) | 2015-04-08 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Deng Wenjie Inventor after: Zhu Junsheng Inventor after: Bai Yunfeng Inventor before: Zheng Jingwen |
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| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161229 Address after: 035502 Shanxi city of Xinzhou Province five County Town Industrial Park Development Zone de beans Avenue Patentee after: Shanxi deao elevator Limited by Share Ltd Address before: The town of Humen 523907 Guangdong province Dongguan City Jinlong Road Jin Luan garden building A room 908 Patentee before: Zheng Jingwen |